Bibliographic Citation
| 8,207,444 | |
| Front contact solar cell with formed electrically conducting layers on the front side and backside Loading...
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| 06/26/2012 | |
| US patent application 12/166,266 | |
| Cousins, Peter John | |
| SunPower Corporation (San Jose, CA) | |
| USDOE | |
| FC36-07GO17043 | |
| SunPower Corporation (San Jose, CA) | |
| A bipolar solar cell includes a backside junction formed by a silicon substrate and a first doped layer of a first dopant type on the backside of the solar cell. A second doped layer of a second dopant type makes an electrical connection to the substrate from the front side of the solar cell. A first metal contact of a first electrical polarity electrically connects to the first doped layer on the backside of the solar cell, and a second metal contact of a second electrical polarity electrically connects to the second doped layer on the front side of the solar cell. An external electrical circuit may be electrically connected to the first and second metal contacts to be powered by the solar cell. | |
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